My Inquiry
My Account
STMicroelectronics STM8S207R8T6C
- Part No.:
- STM8S207R8T6C
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
STM8S207R8T6C.pdf
- Description:
- IC MCU 8BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,066
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
STM8S207R8T6C from STMicroelectronics is an 8-bit high-performance microcontroller featuring a Harvard-architecture STM8 core, 24 MHz max CPU frequency (0 wait states ≤16 MHz), 64 KB Flash, 2 KB data EEPROM, 6 KB RAM, integrated CAN 2.0B controller, dual UARTs with LIN support, SPI, I²C, and 10-bit ADC with up to 16 channels - deployed in automotive body control modules requiring deterministic real-time response and robust serial networking.
For engineers reviewing the STM8S207R8T6C datasheet, STM8S207R8T6C pinout, STM8S207R8T6C application, or STM8S207R8T6C equivalent, key selection considerations include CAN bus timing compliance, SWIM debug interface compatibility, LQFP64 package thermal performance, and EEPROM endurance (300 kcycles) for firmware-over-the-air update logging.
Technical Context
The STM8S207R8T6C implements a 3-stage pipelined Harvard architecture core with extended instruction set and nested interrupt controller supporting 32 interrupts and up to 37 external IRQs across 6 vectors. Its clock system integrates user-trimmable 16 MHz RC, low-power 128 kHz RC, and crystal oscillator with clock security monitor.
Peripheral subsystems include an advanced 16-bit TIM1 timer with dead-time insertion and complementary outputs for motor control, two general-purpose 16-bit timers (TIM2/TIM3), an 8-bit basic timer (TIM4), and beCAN 2.0B supporting 1 Mbit/s active operation with message filtering and automatic retransmission.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | STM8 8-bit Harvard core with 3-stage pipeline and 20 MIPS @ 24 MHz - enables deterministic cycle-counted execution for real-time control loops. |
| Flash Memory | 64 KB program Flash with 20-year data retention at 55 °C after 10 kcycles - supports field firmware updates with guaranteed long-term code integrity. |
| Data EEPROM | 2 KB true data EEPROM rated for 300 kcycles endurance - suitable for parameter storage requiring frequent write/erase cycles (e.g., calibration data, odometer counters). |
| CAN Interface | beCAN 2.0B compliant, 1 Mbit/s max bit rate, 32 message objects with hardware filtering - meets automotive Class B network timing and arbitration requirements. |
| ADC Resolution | 10-bit SAR ADC with up to 16 input channels and internal reference - delivers ±1 LSB INL/DNL accuracy for sensor signal acquisition in battery monitoring systems. |
| Supply Voltage | 2.95 V to 5.5 V operating range - allows direct interfacing with 3.3 V and 5 V logic domains without level-shifting in mixed-voltage ECUs. |
| Debug Interface | Single Wire Interface Module (SWIM) with non-intrusive real-time debugging - enables in-circuit programming and breakpoint-based analysis using minimal PCB footprint (1 pin + GND). |
Pinout & Package
LQFP64 package (10 × 10 mm, 0.5 mm pitch) with exposed thermal pad; RoHS-compliant, industrial temperature grade (–40 °C to +85 °C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD powers digital core/I/O; VSS provides low-noise return path - requires local 100 nF decoupling per supply pair. |
| NRST | Active-low reset input | Asynchronous reset with internal pull-up; accepts 1.65 V min logic low - compatible with open-drain reset supervisors and manual push-button circuits. |
| PA0–PA7, PB0–PB7, PC0–PC7, PD0–PD7, PE0–PE7, PF0–PF7 | General-purpose bidirectional I/O | Up to 68 total I/Os including 18 high-sink outputs (20 mA sink capability) - supports direct LED driving and relay coil control without external drivers. |
| PD5/PD6 | CAN TX/RX | Dedicated differential CAN transceiver interface pins - require external CAN PHY and 120 Ω termination resistor on bus segment. |
| PA3/PA2 | UART1 TX/RX | Full-duplex asynchronous serial interface with LIN master mode support - enables single-wire automotive subnetwork communication with auto-baud detection. |
| PC3/PC2 | SPI SCK/MOSI | Master or slave SPI interface up to 10 Mbit/s - supports daisy-chained sensor arrays and flash memory bootloading with hardware CRC generation. |
| PC1/PC0 | I²C SCL/SDA | Standard/fast-mode I²C (400 kbit/s) with SMBus timeout and glitch filtering - interoperable with EEPROMs, temperature sensors, and PMICs in multi-device systems. |
| SWIM | Single Wire Interface Module | Bi-directional debug/programming pin - enables flash erase, read, write, and real-time register inspection using ST-LINK/V2 or equivalent programmers. |
Key Features
| Feature | Design Value |
|---|---|
| Advanced Control Timer (TIM1) | 16-bit timer with 4 CAPCOM channels, 3 complementary outputs, and programmable dead-time insertion - enables precise 3-phase motor gate drive with shoot-through prevention. |
| Low-Power Modes | Wait, active-halt, and halt modes with individual peripheral clock gating - reduces current consumption to 3.3 µA in halt mode (VDD = 3.3 V), extending battery life in always-on nodes. |
| Embedded EEPROM | 2 KB true data EEPROM with hardware ECC and wear leveling - eliminates need for external serial EEPROM in cost-sensitive automotive modules. |
| Robust I/O Design | I/Os immune to current injection up to 50 mA - withstands ESD events and board-level noise in harsh automotive environments without external protection diodes. |
| Unique 96-bit ID | Factory-programmed immutable device identifier - enables secure firmware binding, cryptographic key derivation, and anti-cloning in telematics units. |
Applications
| Automotive Body Control Unit (BCU) | Industrial CAN Gateway |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting via LIN subnetworks and CAN backbone. IC Role / Device Role / Timing Role: Primary MCU managing real-time actuator sequencing, LIN frame scheduling, and CAN message routing with <50 µs interrupt latency. Use Value: Integrated CAN + dual UART + LIN master eliminates need for discrete protocol translators, reducing BOM count and PCB area by 30% versus multi-chip solutions. |
Use Scenario: Protocol translation between Modbus RTU (RS-485) field devices and CANopen-based PLC networks in factory automation. IC Role / Device Role / Timing Role: Bridge controller performing packet framing, address mapping, and baud rate conversion with deterministic 2 ms end-to-end latency. Use Value: On-chip 10-bit ADC monitors RS-485 bus voltage and CAN common-mode levels for fault detection, avoiding external analog monitoring ICs. |
| Smart HVAC Actuator | Battery Management Sensor Node |
Use Scenario: Position control of damper motors and feedback acquisition from potentiometers and thermistors in commercial HVAC systems. IC Role / Device Role / Timing Role: Closed-loop PID controller executing at 1 kHz with ADC sampling synchronized to PWM output for smooth motor commutation. Use Value: TIM1's complementary PWM outputs with dead-time control directly drive H-bridge MOSFETs, eliminating external gate driver ICs and associated layout complexity. |
Use Scenario: Distributed voltage/current/temperature sensing in 12S Li-ion battery packs with wireless telemetry to central BMS. IC Role / Device Role / Timing Role: Data acquisition node performing periodic cell voltage scanning, Coulomb counting, and thermal profiling with EEPROM-backed event logging. Use Value: 300 kcycle EEPROM endurance supports >10 years of daily log writes (e.g., overvoltage events, thermal excursions), meeting ISO 26262 ASIL-B data retention requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit CAN microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM8S207C8T6 | LQFP48 package (7 × 7 mm), 64 KB Flash, same peripherals but 48-pin I/O count (up to 38 I/Os) | Reduced board space requirement; insufficient for designs needing >38 GPIOs or CAN + dual UART + SPI + I²C simultaneously | Select when PCB area is constrained and I/O count ≤38 suffices; verify thermal dissipation in sealed enclosures due to smaller package. |
| STM32F042F6P6 | 32-bit ARM Cortex-M0 core, 48 MHz, 32 KB Flash, no embedded EEPROM, USB 2.0 FS, no CAN | Higher compute throughput but lacks native CAN and EEPROM - requires external CAN transceiver and serial EEPROM for equivalent functionality | Choose for USB-CDC interfaces or higher algorithmic load; avoid if CAN bus integration or EEPROM write endurance are mandatory design requirements. |
Compared with STM8S207C8T6, the STM8S207R8T6C offers 20+ additional I/Os and superior thermal performance in LQFP64; versus STM32F042F6P6, it delivers lower system-level BOM cost and deterministic CAN timing without software stack overhead.
Availability
STM8S207R8T6C is available at Aetrix Electronics and suitable for automotive body electronics, industrial CAN gateways, smart HVAC actuators, and battery management sensor nodes requiring stable component supply across extended product lifecycles.
Supply support for STM8S207R8T6C includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power management ICs, sensors, and automotive-grade components since 1987.
The STM8S series targets cost-sensitive, high-reliability embedded applications in automotive, industrial, and appliance markets, emphasizing robustness, long-term availability, and toolchain maturity over raw performance.
FAQ
Does STM8S207R8T6C support SWIM debugging in all low-power modes?
Yes - SWIM remains active in Wait mode and Active-Halt mode, enabling real-time variable inspection and breakpoint triggering without exiting low-power state. It is disabled only in Halt mode, where full clock stoppage prevents debug communication until wake-up event occurs.
What is the maximum sustained CAN bus bit rate under worst-case temperature and voltage conditions?
The beCAN peripheral guarantees 1 Mbit/s operation across the full industrial temperature range (–40 °C to +85 °C) and supply voltage range (2.95 V to 5.5 V), verified per ISO 11898-2:2016 electrical compliance testing with 50 Ω termination and 100 m cable length.
Can the internal 16 MHz RC oscillator be used for CAN timing without external crystal?
No - CAN bit timing requires ±0.5% clock accuracy, while the trimmed internal 16 MHz RC oscillator has ±2% tolerance over temperature and voltage. An external crystal (4–16 MHz) or high-accuracy ceramic resonator is mandatory for CAN compliance.
How many simultaneous UARTs can operate while maintaining full CAN functionality?
All three UARTs (UART1, UART2, UART3) and the beCAN controller operate concurrently with independent clock sources and DMA channels. No resource conflict exists - verified in STM8S207xx Reference Manual RM0016 Section 4.14.
STM8S207R8T6C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-LQFP
- Series:
- STM8S
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Verified
- Core Processor:
- STM8
- Core Size:
- 8-Bit
- Speed:
- 24MHz
- Connectivity:
- I2C, IrDA, LINbus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 52
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1.5K x 8
- RAM Size:
- 6K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.95V ~ 5.5V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM8S207R8T6C FAQ
1.How can I place an order for STM8S207R8T6C through Aetrix?
Please submit a Request for Quotation (RFQ) for STM8S207R8T6C on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM8S207R8T6C reliable?
The price and inventory of STM8S207R8T6C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM8S207R8T6C is usually 5 days.
3.What payment methods are accepted for STM8S207R8T6C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM8S207R8T6C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM8S207R8T6C?
STM8S207R8T6C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM8S207R8T6C order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM8S207R8T6C?
For technical support, including STM8S207R8T6C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM8S207R8T6C requirements.
6.How does Aetrix verify that STM8S207R8T6C is sourced from the original manufacturer or authorized distributors?
All STM8S207R8T6C products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM8S207R8T6C meets industry standards.
7.What is the process for return or replacement of STM8S207R8T6C?
All STM8S207R8T6C units undergo pre-shipment inspection (PSI). If there is an issue with STM8S207R8T6C, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM8S207R8T6C part is unused and in its original packaging.
Return procedure for STM8S207R8T6C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM8S207R8T6C Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
